Supermicro SC815 series - Rear Connector Definitions

SC815 Chassis Manual
C-4
C-5
Appendix C BPN-SAS3-815TQ Backplane Specications
7. I
2
C Connectors
The I
2
C Connectors, designated JP44, are
used to monitor HDD activity and status.
I
2
C Connector
(JP44)
Pin# Denition
1 Data
2 Ground
3 Clock
4 No Connection
SAS Activity LED Header
(JP26)
Pin # Denition Pin # Denition
1 ACT IN#0 6 ACT IN#4
2 ACT IN#1 7 ACT IN#5
3 ACT IN#2 8 ACT IN#6
4 ACT IN#3 9 ACT IN#7
5 Ground 10 Empty
8. Activity LED Header
The Activity LED header, designated JP26,
is used to indicate the activity status of
each SAS drive. To enable, connect using
a 10-pin LED cable.
9. - 12. SAS Ports
The SAS ports are used to connect cables to SAS3 drives, enabling 12Gbps
speeds. The four ports are designated #0 - #4. Each port is also compatible
with SATA drives.
C-5 Rear Connector Denitions
3. - 4. JTAG Connector and Upgrade Connector
The JTAG connector, designated JP47, and the upgrade connector, designated
JP46, are for diagnostic purposes. These connectors should be used by a
certied and experienced technician.
5. MG9071 Chip
The MG9071 is an enclosure management chip that supports the SES-2
controller and SES-2 protocols.
Main Power
(JP10)
Pin# Denition
1 +12V
2 and 3 Ground
4 +5V
1. Backplane Main Power Connectors
The 4-pin connectors, designated JP10
provide power to the backplane.
2. Peripheral Drive 4-Pin Connectors
The 4-pin connectors, designated J9
and J10, provide power to DVD or other
peripheral drives.
Peripheral Drive Power
(J9 and J10)
Pin# Denition
1 +5V
2 and 3 Ground
4 +12V
6. Sideband Headers
The sideband header is designated JP51.
For SES-2 to work properly, you must
connect an 8-pin sideband cable.
Sideband Header
(JP51)
Pin # Denition Pin # Denition
2 Backplane
Addressing
(SB5)
1 Controller
ID (SB6)
4 Reset (SB4) 3 GND (SB2)
6 GND (SB3) 5 SDA (SB1)
8 Backplane
ID (SB7)
7 SCL (SB0)
10 No Connec-
tion
9 No Connec-
tion